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A man holds a 182-N ball in his hand, with the forearm horizontal (see the figure)....
A man holds a 194-N ball in his hand, with the forearm horizontal (see the figure)....
A man holds a 194-N ball in his hand, with the forearm horizontal (see the figure). He can support the ball in this position because of the flexor muscle force M, which is applied perpendicular to the forearm. The forearm weighs 18.5 N and has a center of gravity as indicated. Find (a) the magnitude of M and the (b) magnitude and (c) direction (as a positive angle counterclockwise from horizontal) of the force applied by the upper arm bone...
A man holds a 183-N ball in his hand, with the forearm horizontal (see the figure)....
A man holds a 183-N ball in his hand, with the forearm horizontal (see the figure). He can support the ball in this position because of the flexor muscle force Mn, which is applied perpendicular to the forearm. The forearm weighs 20.3 N and has a center of gravity as indicated. Find (a) the magnitude of M - and the (b) magnitude and (c) direction (as a positive angle counterclockwise from horizontal) of the force applied by the upper arm...
PRINTER VERSION BACK NEXT Chapter 09, Problem 22 Chalkboard Video Problem A man holds a 172-N...
PRINTER VERSION BACK NEXT Chapter 09, Problem 22 Chalkboard Video Problem A man holds a 172-N ball in his hand, with the forearm horizontal (see the figure). He can support the ball in this position because of the few muscle force which is led perpendicular to the forearm. The forearm weighs 222 N and has a center of gravity as indicated. Find (a) the magnitude of Mand the (1) magnitude and (c) direction as a po angle counterdockwise from horizontal...
QUESTION 1 A wrench is used to loosen a nut as shown below by applying a...
QUESTION 1 A wrench is used to loosen a nut as shown below by applying a force 13 N. Determine the torque (magnitude and direction:+for CCW and for CW) about the nut joint Express your answer in Sl units with 3 or more significant figures 0.28 m QUESTION 2 The drawing shows a person mass 59 kg. doing push-ups. Find the force exerted by the floor on each foot assuming that the person holds this position Express your answer in...
QUESTION 2 The drawing shows a person mass-59 kg. doing push-ups. Find the force exerted by...
QUESTION 2 The drawing shows a person mass-59 kg. doing push-ups. Find the force exerted by the floor on each foot, assuming that the person holds this position. Express your answer is Sl units with 3 or more significant figures 0.90 m 1.50 m QUESTION 3 A uniform lunch tray is being held in one hand, as the drawing illustrates. The mass of the tray is 0.11 kg. On the tray is a 1 kg plate of food and a...
A person with their upper arm vertical and their forearm horizontal holds a 4.5-kg iron cannon...
A person with their upper arm vertical and their forearm horizontal holds a 4.5-kg iron cannon ball as shown in the figure below. Assume the mass of the forearm and hand is 1.5 kg, with a center of mass 15 cm from the elbow. The center of the cannonball is 32 cm from the elbow, and the force of the biceps is applied 5.0 cm from the elbow. What force is exerted by the bicep? Elbow contact point 4.5 kg...
An athlete is measuring the force by their flexor muscle by pulling a rope horizontally at...
An athlete is measuring the force by their flexor muscle by pulling a rope horizontally at a constant force. While pulling the rope the muscle applies a force on the forearm an angle of 71° as shown in the diagram. While keeping your forearm completely vertical, the tension in the rope is at 185N. The athlete's muscle is attached to the forearm 5 cm from the elbow joint and that the weight of your forearm is 22 N with a...
A standard man holds the upper arm vertical and the lower arm horizontal with an object...
A standard man holds the upper arm vertical and the lower arm horizontal with an object of mass M = 5 kg resting on the hand, as illustrated in the figure. The mass of the lower arm and hand is one-half the mass of the entire arm. As shown in the figure, there are four forces acting on the lower arm: the force Fexerted by the bones and ligaments of the upper arm at the elbow (fulcrum), the tension T...
The diagram above shows a side view of a person’s arm. The forearm and hand together...
The diagram above shows a side view of a person’s arm. The
forearm and hand together weigh 19N (WFH = 19N). The
center of gravity at point T is located 24cm from
the elbow joint. The person is holding a bowling ball 38cm from the
elbow and the ball weighs 47N (WB = 47N).
(a) Calculate the torque produced by the weight of the forearm
and hand about the elbow joint. Include the direction of the
torque.
(b) Calculate the...
A man holds a 194-N ball in his hand, with the forearm horizontal (see the figure). He can support the ball in this position because of the flexor muscle force M, which is applied perpendicular to the forearm. The forearm weighs 18.5 N and has a center of gravity as indicated. Find (a) the magnitude of M and the (b) magnitude and (c) direction (as a positive angle counterclockwise from horizontal) of the force applied by the upper arm bone...
A man holds a 183-N ball in his hand, with the forearm horizontal (see the figure). He can support the ball in this position because of the flexor muscle force Mn, which is applied perpendicular to the forearm. The forearm weighs 20.3 N and has a center of gravity as indicated. Find (a) the magnitude of M - and the (b) magnitude and (c) direction (as a positive angle counterclockwise from horizontal) of the force applied by the upper arm...
PRINTER VERSION BACK NEXT Chapter 09, Problem 22 Chalkboard Video Problem A man holds a 172-N ball in his hand, with the forearm horizontal (see the figure). He can support the ball in this position because of the few muscle force which is led perpendicular to the forearm. The forearm weighs 222 N and has a center of gravity as indicated. Find (a) the magnitude of Mand the (1) magnitude and (c) direction as a po angle counterdockwise from horizontal...
QUESTION 1 A wrench is used to loosen a nut as shown below by applying a force 13 N. Determine the torque (magnitude and direction:+for CCW and for CW) about the nut joint Express your answer in Sl units with 3 or more significant figures 0.28 m QUESTION 2 The drawing shows a person mass 59 kg. doing push-ups. Find the force exerted by the floor on each foot assuming that the person holds this position Express your answer in...
QUESTION 2 The drawing shows a person mass-59 kg. doing push-ups. Find the force exerted by the floor on each foot, assuming that the person holds this position. Express your answer is Sl units with 3 or more significant figures 0.90 m 1.50 m QUESTION 3 A uniform lunch tray is being held in one hand, as the drawing illustrates. The mass of the tray is 0.11 kg. On the tray is a 1 kg plate of food and a...
A person with their upper arm vertical and their forearm horizontal holds a 4.5-kg iron cannon ball as shown in the figure below. Assume the mass of the forearm and hand is 1.5 kg, with a center of mass 15 cm from the elbow. The center of the cannonball is 32 cm from the elbow, and the force of the biceps is applied 5.0 cm from the elbow. What force is exerted by the bicep? Elbow contact point 4.5 kg...
An athlete is measuring the force by their flexor muscle by pulling a rope horizontally at a constant force. While pulling the rope the muscle applies a force on the forearm an angle of 71° as shown in the diagram. While keeping your forearm completely vertical, the tension in the rope is at 185N. The athlete's muscle is attached to the forearm 5 cm from the elbow joint and that the weight of your forearm is 22 N with a...
A standard man holds the upper arm vertical and the lower arm horizontal with an object of mass M = 5 kg resting on the hand, as illustrated in the figure. The mass of the lower arm and hand is one-half the mass of the entire arm. As shown in the figure, there are four forces acting on the lower arm: the force Fexerted by the bones and ligaments of the upper arm at the elbow (fulcrum), the tension T...
The diagram above shows a side view of a person’s arm. The
forearm and hand together weigh 19N (WFH = 19N). The
center of gravity at point T is located 24cm from
the elbow joint. The person is holding a bowling ball 38cm from the
elbow and the ball weighs 47N (WB = 47N).
(a) Calculate the torque produced by the weight of the forearm
and hand about the elbow joint. Include the direction of the
torque.
(b) Calculate the...
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